21786534

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1429}}^1$

素因数の和:1466

約数の個数: 72

約数和(自身を含む): 59339280

約数和(自身を除く): 37552746

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 121, 126, 154, 198, 231, 242, 363, 462, 693, 726, 847, 1089, 1386, 1429, 1694, 2178, 2541, 2858, 4287, 5082, 7623, 8574, 10003, 12861, 15246, 15719, 20006, 25722, 30009, 31438, 47157, 60018, 90027, 94314, 110033, 141471, 172909, 180054, 220066, 282942, 330099, 345818, 518727, 660198, 990297, 1037454, 1210363, 1556181, 1980594, 2420726, 3112362, 3631089, 7262178, 10893267, 21786534]

約数ペア:

[(1, 21786534), (2, 10893267), (3, 7262178), (6, 3631089), (7, 3112362), (9, 2420726), (11, 1980594), (14, 1556181), (18, 1210363), (21, 1037454), (22, 990297), (33, 660198), (42, 518727), (63, 345818), (66, 330099), (77, 282942), (99, 220066), (121, 180054), (126, 172909), (154, 141471), (198, 110033), (231, 94314), (242, 90027), (363, 60018), (462, 47157), (693, 31438), (726, 30009), (847, 25722), (1089, 20006), (1386, 15719), (1429, 15246), (1694, 12861), (2178, 10003), (2541, 8574), (2858, 7623), (4287, 5082)]